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old solver: improve normalization of Pointee::Metadata

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This commit is contained in:
Lukas Markeffsky 2024-02-05 14:54:24 +01:00
parent 77fb540684
commit 0c1f401d98
5 changed files with 113 additions and 39 deletions
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7
compiler/rustc_const_eval/src/interpret/terminator.rs
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@ -377,12 +377,7 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> {
// to fields, which can yield non-normalized types. So we need to provide a
// normalization function.
let normalize = |ty| self.tcx.normalize_erasing_regions(self.param_env, ty);
let (meta, only_if_sized) = ty.ptr_metadata_ty(*self.tcx, normalize);
assert!(
!only_if_sized,
"there should be no more 'maybe has that metadata' types during interpretation"
);
meta
ty.ptr_metadata_ty(*self.tcx, normalize)
};
return Ok(meta_ty(caller) == meta_ty(callee));
}